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13 Cards in this Set
- Front
- Back
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weight
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the measure of the force of gravity on an objet.
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velocity
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describes both speed and direction of an object.
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net force
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an object always changes the velocity of the object.
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Acceleration
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Rate of change of velocity.
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Average speed
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The total distance traveled divided by total time of travel.
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Balanced Forces
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Forces on objects that are equal in size and opposite in directoin.
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Constant Speed
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A speed that does not vary.
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Force
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A push or a pull one body exerts on another.
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Friction
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The force that opposes motion between two surfaces that are touching each other.
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Gravity
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Every object in the universe exerts force on every other object.
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Inertia
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The tendency of an object to resist any change in its motion.
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Instantaneous speed
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The rate of motion at any given instant.
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Speed
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The rate of change in position.
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